From 6d3b71eed9f96999cdc29303971487640693b47e Mon Sep 17 00:00:00 2001 From: Quency-D Date: Mon, 11 May 2026 15:11:07 +0800 Subject: [PATCH] add heltec-mesh-node-t1 --- boards/heltec_t1.json | 61 +++++++++++ src/helpers/ui/ST7735Display.cpp | 5 +- src/helpers/ui/buzzer.cpp | 1 + variants/heltec_t1/T1Board.cpp | 135 ++++++++++++++++++++++++ variants/heltec_t1/T1Board.h | 26 +++++ variants/heltec_t1/platformio.ini | 108 +++++++++++++++++++ variants/heltec_t1/target.cpp | 48 +++++++++ variants/heltec_t1/target.h | 30 ++++++ variants/heltec_t1/variant.cpp | 15 +++ variants/heltec_t1/variant.h | 169 ++++++++++++++++++++++++++++++ 10 files changed, 597 insertions(+), 1 deletion(-) create mode 100644 boards/heltec_t1.json create mode 100644 variants/heltec_t1/T1Board.cpp create mode 100644 variants/heltec_t1/T1Board.h create mode 100644 variants/heltec_t1/platformio.ini create mode 100644 variants/heltec_t1/target.cpp create mode 100644 variants/heltec_t1/target.h create mode 100644 variants/heltec_t1/variant.cpp create mode 100644 variants/heltec_t1/variant.h diff --git a/boards/heltec_t1.json b/boards/heltec_t1.json new file mode 100644 index 00000000..53bfc79a --- /dev/null +++ b/boards/heltec_t1.json @@ -0,0 +1,61 @@ +{ + "build": { + "arduino": { + "ldscript": "nrf52840_s140_v6.ld" + }, + "core": "nRF5", + "cpu": "cortex-m4", + "extra_flags": "-DNRF52840_XXAA", + "f_cpu": "64000000L", + "hwids": [ + ["0x239A","0x8029"], + ["0x239A","0x0029"], + ["0x239A","0x002A"], + ["0x239A","0x802A"] + ], + "usb_product": "HT-n5262T1", + "mcu": "nrf52840", + "variant": "heltec_t1", + "bsp": { + "name": "adafruit" + }, + "softdevice": { + "sd_flags": "-DS140", + "sd_name": "s140", + "sd_version": "6.1.1", + "sd_fwid": "0x00B6" + }, + "bootloader": { + "settings_addr": "0xFF000" + } + }, + "connectivity": [ + "bluetooth" + ], + "debug": { + "jlink_device": "nRF52840_xxAA", + "svd_path": "nrf52840.svd", + "openocd_target": "nrf52.cfg" + }, + "frameworks": [ + "arduino" + ], + "name": "Heltec Mesh Node T1 Board", + "upload": { + "maximum_ram_size": 235520, + "maximum_size": 815104, + "speed": 115200, + "protocol": "nrfutil", + "protocols": [ + "jlink", + "nrfjprog", + "nrfutil", + "stlink" + ], + "use_1200bps_touch": true, + "require_upload_port": true, + "wait_for_upload_port": true + }, + "url": "https://heltec.org/", + "vendor": "Heltec" +} diff --git a/src/helpers/ui/ST7735Display.cpp b/src/helpers/ui/ST7735Display.cpp index 3eb4521c..a6087dd8 100644 --- a/src/helpers/ui/ST7735Display.cpp +++ b/src/helpers/ui/ST7735Display.cpp @@ -28,7 +28,10 @@ bool ST7735Display::begin() { #endif digitalWrite(PIN_TFT_RST, HIGH); -#if defined(HELTEC_TRACKER_V2) || defined(HELTEC_T096) +#if defined(HELTEC_T1) + display.initR(INITR_MINI160x80); + display.setRotation(DISPLAY_ROTATION); +#elif defined(HELTEC_TRACKER_V2) || defined(HELTEC_T096) display.initR(INITR_MINI160x80); display.setRotation(DISPLAY_ROTATION); uint8_t madctl = ST77XX_MADCTL_MY | ST77XX_MADCTL_MV |ST7735_MADCTL_BGR;//Adjust color to BGR diff --git a/src/helpers/ui/buzzer.cpp b/src/helpers/ui/buzzer.cpp index eb9b695b..dde59f5d 100644 --- a/src/helpers/ui/buzzer.cpp +++ b/src/helpers/ui/buzzer.cpp @@ -1,3 +1,4 @@ +#include "Arduino.h" #ifdef PIN_BUZZER #include "buzzer.h" diff --git a/variants/heltec_t1/T1Board.cpp b/variants/heltec_t1/T1Board.cpp new file mode 100644 index 00000000..490f8678 --- /dev/null +++ b/variants/heltec_t1/T1Board.cpp @@ -0,0 +1,135 @@ +#include "T1Board.h" + +#include +#include + +#ifdef NRF52_POWER_MANAGEMENT +const PowerMgtConfig power_config = { + .lpcomp_ain_channel = PWRMGT_LPCOMP_AIN, + .lpcomp_refsel = PWRMGT_LPCOMP_REFSEL, + .voltage_bootlock = PWRMGT_VOLTAGE_BOOTLOCK +}; + +void T1Board::initiateShutdown(uint8_t reason) { + variant_shutdown(); + + bool enable_lpcomp = (reason == SHUTDOWN_REASON_LOW_VOLTAGE || + reason == SHUTDOWN_REASON_BOOT_PROTECT); + pinMode(PIN_BAT_CTL, OUTPUT); + digitalWrite(PIN_BAT_CTL, enable_lpcomp ? ADC_CTRL_ENABLED : !ADC_CTRL_ENABLED); + + if (enable_lpcomp) { + configureVoltageWake(power_config.lpcomp_ain_channel, power_config.lpcomp_refsel); + } + + enterSystemOff(reason); +} +#endif + +void T1Board::begin() { + NRF52Board::begin(); + +#ifdef NRF52_POWER_MANAGEMENT + checkBootVoltage(&power_config); +#endif + +#if defined(PIN_BOARD_SDA) && defined(PIN_BOARD_SCL) + Wire.setPins(PIN_BOARD_SDA, PIN_BOARD_SCL); +#endif + Wire.begin(); + + pinMode(P_LORA_TX_LED, OUTPUT); + digitalWrite(P_LORA_TX_LED, !LED_STATE_ON); + + pinMode(PIN_GPS_EN, OUTPUT); + digitalWrite(PIN_GPS_EN, !PIN_GPS_EN_ACTIVE); + + pinMode(PIN_SENSOR_EN, OUTPUT); + digitalWrite(PIN_SENSOR_EN, PIN_SENSOR_EN_ACTIVE); + + pinMode(PIN_BUZZER, OUTPUT); + digitalWrite(PIN_BUZZER, LOW); + pinMode(PIN_BUZZER_VOLTAGE_MULTIPLIER_1, OUTPUT); + pinMode(PIN_BUZZER_VOLTAGE_MULTIPLIER_2, OUTPUT); + digitalWrite(PIN_BUZZER_VOLTAGE_MULTIPLIER_1, HIGH); + digitalWrite(PIN_BUZZER_VOLTAGE_MULTIPLIER_2, HIGH); + + periph_power.begin(); + delay(1); +} + +void T1Board::onBeforeTransmit() { + digitalWrite(P_LORA_TX_LED, LED_STATE_ON); +} + +void T1Board::onAfterTransmit() { + digitalWrite(P_LORA_TX_LED, !LED_STATE_ON); +} + +uint16_t T1Board::getBattMilliVolts() { + analogReadResolution(12); + analogReference(VBAT_AR_INTERNAL); + pinMode(PIN_VBAT_READ, INPUT); + pinMode(PIN_BAT_CTL, OUTPUT); + digitalWrite(PIN_BAT_CTL, ADC_CTRL_ENABLED); + + delay(10); + int adcvalue = analogRead(PIN_VBAT_READ); + digitalWrite(PIN_BAT_CTL, !ADC_CTRL_ENABLED); + + return (uint16_t)((float)adcvalue * MV_LSB * ADC_MULTIPLIER); +} + +void T1Board::variant_shutdown() { + nrf_gpio_cfg_default(PIN_TFT_CS); + nrf_gpio_cfg_default(PIN_TFT_DC); + nrf_gpio_cfg_default(PIN_TFT_SDA); + nrf_gpio_cfg_default(PIN_TFT_SCL); + nrf_gpio_cfg_default(PIN_TFT_RST); + nrf_gpio_cfg_default(PIN_TFT_LEDA_CTL); + nrf_gpio_cfg_default(PIN_TFT_VDD_CTL); + + nrf_gpio_cfg_default(PIN_WIRE_SDA); + nrf_gpio_cfg_default(PIN_WIRE_SCL); + + nrf_gpio_cfg_default(LORA_CS); + nrf_gpio_cfg_default(SX126X_DIO1); + nrf_gpio_cfg_default(SX126X_BUSY); + nrf_gpio_cfg_default(SX126X_RESET); + nrf_gpio_cfg_default(PIN_SPI_MISO); + nrf_gpio_cfg_default(PIN_SPI_MOSI); + nrf_gpio_cfg_default(PIN_SPI_SCK); + + nrf_gpio_cfg_default(PIN_SPI1_MOSI); + nrf_gpio_cfg_default(PIN_SPI1_SCK); + + nrf_gpio_cfg_default(PIN_GPS_RESET); + nrf_gpio_cfg_default(PIN_GPS_EN); + nrf_gpio_cfg_default(PIN_GPS_PPS); + nrf_gpio_cfg_default(PIN_GPS_RX); + nrf_gpio_cfg_default(PIN_GPS_TX); + + nrf_gpio_cfg_default(PIN_BUZZER_VOLTAGE_MULTIPLIER_1); + nrf_gpio_cfg_default(PIN_BUZZER_VOLTAGE_MULTIPLIER_2); + + pinMode(PIN_BUZZER, OUTPUT); + digitalWrite(PIN_BUZZER, LOW); + + pinMode(PIN_SENSOR_EN, OUTPUT); + digitalWrite(PIN_SENSOR_EN, !PIN_SENSOR_EN_ACTIVE); + + pinMode(PIN_LED1, OUTPUT); + digitalWrite(PIN_LED1, !LED_STATE_ON); + + pinMode(PIN_BAT_CTL, OUTPUT); + digitalWrite(PIN_BAT_CTL, !ADC_CTRL_ENABLED); +} + +void T1Board::powerOff() { + variant_shutdown(); + sd_power_system_off(); +} + +const char* T1Board::getManufacturerName() const { + return "Heltec T1"; +} diff --git a/variants/heltec_t1/T1Board.h b/variants/heltec_t1/T1Board.h new file mode 100644 index 00000000..9b46fd11 --- /dev/null +++ b/variants/heltec_t1/T1Board.h @@ -0,0 +1,26 @@ +#pragma once + +#include +#include +#include +#include + +class T1Board : public NRF52BoardDCDC { +protected: +#ifdef NRF52_POWER_MANAGEMENT + void initiateShutdown(uint8_t reason) override; +#endif + void variant_shutdown(); + +public: + RefCountedDigitalPin periph_power; + + T1Board() : periph_power(PIN_TFT_VDD_CTL, PIN_TFT_VDD_CTL_ACTIVE), NRF52Board("T1_OTA") {} + + void begin(); + void onBeforeTransmit() override; + void onAfterTransmit() override; + uint16_t getBattMilliVolts() override; + const char* getManufacturerName() const override; + void powerOff() override; +}; diff --git a/variants/heltec_t1/platformio.ini b/variants/heltec_t1/platformio.ini new file mode 100644 index 00000000..d5c3caf1 --- /dev/null +++ b/variants/heltec_t1/platformio.ini @@ -0,0 +1,108 @@ +[Heltec_t1] +extends = nrf52_base +board = heltec_t1 +board_build.ldscript = boards/nrf52840_s140_v6.ld +build_flags = ${nrf52_base.build_flags} + ${sensor_base.build_flags} + -I lib/nrf52/s140_nrf52_6.1.1_API/include + -I lib/nrf52/s140_nrf52_6.1.1_API/include/nrf52 + -I variants/heltec_t1 + -I src/helpers/ui + -D HELTEC_T1 + -D NRF52_POWER_MANAGEMENT + -D RADIO_CLASS=CustomSX1262 + -D WRAPPER_CLASS=CustomSX1262Wrapper + -D LORA_TX_POWER=22 + -D DISPLAY_CLASS=ST7735Display +build_src_filter = ${nrf52_base.build_src_filter} + + + + + +<../variants/heltec_t1> + + + + +lib_deps = + ${nrf52_base.lib_deps} + ${sensor_base.lib_deps} + adafruit/Adafruit ST7735 and ST7789 Library @ ^1.11.0 +debug_tool = jlink +upload_protocol = nrfutil + +[env:Heltec_t1_repeater] +extends = Heltec_t1 +build_src_filter = ${Heltec_t1.build_src_filter} + +<../examples/simple_repeater> + +build_flags = + ${Heltec_t1.build_flags} + -D ADVERT_NAME='"Heltec_t1 Repeater"' + -D ADVERT_LAT=0.0 + -D ADVERT_LON=0.0 + -D ADMIN_PASSWORD='"password"' + -D MAX_NEIGHBOURS=50 +; -D MESH_PACKET_LOGGING=1 +; -D MESH_DEBUG=1 + +[env:Heltec_t1_room_server] +extends = Heltec_t1 +build_src_filter = ${Heltec_t1.build_src_filter} + +<../examples/simple_room_server> +build_flags = + ${Heltec_t1.build_flags} + -D ADVERT_NAME='"Heltec_t1 Room"' + -D ADVERT_LAT=0.0 + -D ADVERT_LON=0.0 + -D ADMIN_PASSWORD='"password"' + -D ROOM_PASSWORD='"hello"' +; -D MESH_PACKET_LOGGING=1 +; -D MESH_DEBUG=1 + +[env:Heltec_t1_companion_radio_ble] +extends = Heltec_t1 +board_build.ldscript = boards/nrf52840_s140_v6_extrafs.ld +board_upload.maximum_size = 712704 +build_flags = + ${Heltec_t1.build_flags} + -I examples/companion_radio/ui-new + -D MAX_CONTACTS=350 + -D MAX_GROUP_CHANNELS=40 + -D BLE_PIN_CODE=123456 + -D ENV_INCLUDE_GPS=1 +; -D BLE_DEBUG_LOGGING=1 + -D OFFLINE_QUEUE_SIZE=256 + ; -D MESH_PACKET_LOGGING=1 + ; -D MESH_DEBUG=1 +build_src_filter = ${Heltec_t1.build_src_filter} + + + + + +<../examples/companion_radio/*.cpp> + +<../examples/companion_radio/ui-new/*.cpp> +lib_deps = + ${Heltec_t1.lib_deps} + densaugeo/base64 @ ~1.4.0 + end2endzone/NonBlockingRTTTL@^1.3.0 + +[env:Heltec_t1_companion_radio_usb] +extends = Heltec_t1 +board_build.ldscript = boards/nrf52840_s140_v6_extrafs.ld +board_upload.maximum_size = 712704 +build_flags = + ${Heltec_t1.build_flags} + -I examples/companion_radio/ui-new + -D MAX_CONTACTS=350 + -D MAX_GROUP_CHANNELS=40 +; -D MESH_PACKET_LOGGING=1 +; -D MESH_DEBUG=1 +build_src_filter = ${Heltec_t1.build_src_filter} + + + + + +<../examples/companion_radio/*.cpp> + +<../examples/companion_radio/ui-new/*.cpp> +lib_deps = + ${Heltec_t1.lib_deps} + densaugeo/base64 @ ~1.4.0 + end2endzone/NonBlockingRTTTL@^1.3.0 + +[env:Heltec_t1_kiss_modem] +extends = Heltec_t1 +build_src_filter = ${Heltec_t1.build_src_filter} + +<../examples/kiss_modem/> diff --git a/variants/heltec_t1/target.cpp b/variants/heltec_t1/target.cpp new file mode 100644 index 00000000..af771582 --- /dev/null +++ b/variants/heltec_t1/target.cpp @@ -0,0 +1,48 @@ +#include "target.h" + +#include +#include + +#ifdef ENV_INCLUDE_GPS +#include +#endif + +T1Board board; + +#if defined(P_LORA_SCLK) +RADIO_CLASS radio = new Module(P_LORA_NSS, P_LORA_DIO_1, P_LORA_RESET, P_LORA_BUSY, SPI); +#else +RADIO_CLASS radio = new Module(P_LORA_NSS, P_LORA_DIO_1, P_LORA_RESET, P_LORA_BUSY); +#endif + +WRAPPER_CLASS radio_driver(radio, board); + +VolatileRTCClock fallback_clock; +AutoDiscoverRTCClock rtc_clock(fallback_clock); + +#if ENV_INCLUDE_GPS +MicroNMEALocationProvider nmea = MicroNMEALocationProvider(Serial1, &rtc_clock, GPS_RESET, GPS_EN, &board.periph_power); +EnvironmentSensorManager sensors = EnvironmentSensorManager(nmea); +#else +EnvironmentSensorManager sensors; +#endif + +#ifdef DISPLAY_CLASS +DISPLAY_CLASS display(&board.periph_power); +MomentaryButton user_btn(PIN_USER_BTN, 1000, true); +#endif + +bool radio_init() { + rtc_clock.begin(Wire); + +#if defined(P_LORA_SCLK) + return radio.std_init(&SPI); +#else + return radio.std_init(); +#endif +} + +mesh::LocalIdentity radio_new_identity() { + RadioNoiseListener rng(radio); + return mesh::LocalIdentity(&rng); +} diff --git a/variants/heltec_t1/target.h b/variants/heltec_t1/target.h new file mode 100644 index 00000000..ffd9434f --- /dev/null +++ b/variants/heltec_t1/target.h @@ -0,0 +1,30 @@ +#pragma once + +#define RADIOLIB_STATIC_ONLY 1 +#include +#include +#include +#include +#include +#include +#include + +#ifdef DISPLAY_CLASS +#include +#include +#else +#include "helpers/ui/NullDisplayDriver.h" +#endif + +extern T1Board board; +extern WRAPPER_CLASS radio_driver; +extern AutoDiscoverRTCClock rtc_clock; +extern EnvironmentSensorManager sensors; + +#ifdef DISPLAY_CLASS +extern DISPLAY_CLASS display; +extern MomentaryButton user_btn; +#endif + +bool radio_init(); +mesh::LocalIdentity radio_new_identity(); diff --git a/variants/heltec_t1/variant.cpp b/variants/heltec_t1/variant.cpp new file mode 100644 index 00000000..2bca56a1 --- /dev/null +++ b/variants/heltec_t1/variant.cpp @@ -0,0 +1,15 @@ +#include "variant.h" +#include "wiring_constants.h" +#include "wiring_digital.h" + +const uint32_t g_ADigitalPinMap[] = { + 0xff, 0xff, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, + 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, + 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, + 40, 41, 42, 43, 44, 45, 46, 47 +}; + +void initVariant() +{ + pinMode(PIN_USER_BTN, INPUT); +} diff --git a/variants/heltec_t1/variant.h b/variants/heltec_t1/variant.h new file mode 100644 index 00000000..7ee21816 --- /dev/null +++ b/variants/heltec_t1/variant.h @@ -0,0 +1,169 @@ +/* + * Heltec Mesh Node T1 nRF52840 variant. + */ + +#pragma once + +#include "WVariant.h" + +#define USE_LFXO +#define VARIANT_MCK (64000000ul) + +//////////////////////////////////////////////////////////////////////////////// +// Number of pins + +#define PINS_COUNT (48) +#define NUM_DIGITAL_PINS (48) +#define NUM_ANALOG_INPUTS (1) +#define NUM_ANALOG_OUTPUTS (0) + +//////////////////////////////////////////////////////////////////////////////// +// Display + +#define ST7735_CS (0 + 12) +#define ST7735_RS (0 + 22) +#define ST7735_SDA (0 + 24) +#define ST7735_SCK (32 + 0) +#define ST7735_RESET (0 + 20) +#define ST7735_MISO (-1) +#define ST7735_BUSY (-1) +#define ST7735_BL (0 + 15) +#define VTFT_CTRL (0 + 13) + +#define PIN_TFT_CS ST7735_CS +#define PIN_TFT_DC ST7735_RS +#define PIN_TFT_SDA ST7735_SDA +#define PIN_TFT_SCL ST7735_SCK +#define PIN_TFT_RST ST7735_RESET +#define PIN_TFT_LEDA_CTL ST7735_BL +#define PIN_TFT_LEDA_CTL_ACTIVE LOW +#define PIN_TFT_VDD_CTL VTFT_CTRL +#define PIN_TFT_VDD_CTL_ACTIVE LOW +#define DISPLAY_ROTATION 3 + +//////////////////////////////////////////////////////////////////////////////// +// Builtin LEDs + +#define PIN_LED1 (0 + 16) +#define LED_BUILTIN PIN_LED1 +#define PIN_LED LED_BUILTIN +#define LED_RED (-1) +#define LED_BLUE (-1) +#define LED_GREEN (-1) +#define LED_PIN LED_BUILTIN +#define LED_STATE_ON LOW + +//////////////////////////////////////////////////////////////////////////////// +// Builtin buttons + +#define PIN_BUTTON1 (32 + 10) +#define PIN_BUTTON2 (0 + 14) +#define BUTTON_PIN PIN_BUTTON1 +#define BUTTON_PIN2 PIN_BUTTON2 +#define PIN_USER_BTN BUTTON_PIN + +//////////////////////////////////////////////////////////////////////////////// +// UART + +// No longer populated on PCB. +#define PIN_SERIAL2_RX (-1) +#define PIN_SERIAL2_TX (-1) + +//////////////////////////////////////////////////////////////////////////////// +// I2C + +#define WIRE_INTERFACES_COUNT (1) + +#define PIN_WIRE_SDA (32 + 3) +#define PIN_WIRE_SCL (0 + 10) + +#define PIN_SENSOR_EN (32 + 6) +#define PIN_SENSOR_EN_ACTIVE LOW + +//////////////////////////////////////////////////////////////////////////////// +// LoRa + +#define USE_SX1262 +#define SX126X_CS (32 + 11) +#define LORA_CS SX126X_CS +#define SX126X_DIO1 (0 + 31) +#define SX126X_BUSY (0 + 29) +#define SX126X_RESET (0 + 2) +#define SX126X_DIO2_AS_RF_SWITCH true +#define SX126X_DIO3_TCXO_VOLTAGE 1.8 +#define SX126X_CURRENT_LIMIT 140 +#define SX126X_RX_BOOSTED_GAIN 1 + +#define P_LORA_DIO_1 SX126X_DIO1 +#define P_LORA_NSS LORA_CS +#define P_LORA_RESET SX126X_RESET +#define P_LORA_BUSY SX126X_BUSY +#define P_LORA_TX_LED PIN_LED1 + +//////////////////////////////////////////////////////////////////////////////// +// SPI + +#define SPI_INTERFACES_COUNT (2) + +#define PIN_SPI_MISO (0 + 3) +#define PIN_SPI_MOSI (32 + 14) +#define PIN_SPI_SCK (32 + 13) +#define PIN_SPI_NSS LORA_CS + +#define PIN_SPI1_MISO ST7735_MISO +#define PIN_SPI1_MOSI ST7735_SDA +#define PIN_SPI1_SCK ST7735_SCK + +#define P_LORA_SCLK PIN_SPI_SCK +#define P_LORA_MISO PIN_SPI_MISO +#define P_LORA_MOSI PIN_SPI_MOSI + +//////////////////////////////////////////////////////////////////////////////// +// GPS + +#define GPS_UC6580 +#define GPS_BAUD_RATE 115200 +#define PIN_GPS_RESET (0 + 26) +#define GPS_RESET PIN_GPS_RESET +#define GPS_RESET_MODE LOW +#define PIN_GPS_RESET_ACTIVE LOW +#define PIN_GPS_EN (0 + 4) +#define GPS_EN PIN_GPS_EN +#define GPS_EN_ACTIVE LOW +#define PIN_GPS_EN_ACTIVE LOW +#define PIN_GPS_PPS (32 + 9) +#define GPS_TX_PIN (0 + 8) +#define GPS_RX_PIN (0 + 7) +#define PIN_GPS_TX GPS_TX_PIN +#define PIN_GPS_RX GPS_RX_PIN + +#define PIN_SERIAL1_RX GPS_RX_PIN +#define PIN_SERIAL1_TX GPS_TX_PIN + +//////////////////////////////////////////////////////////////////////////////// +// Buzzer + +#define PIN_BUZZER (0 + 9) +#define PIN_BUZZER_VOLTAGE_MULTIPLIER_1 (32 + 2) +#define PIN_BUZZER_VOLTAGE_MULTIPLIER_2 (32 + 5) + +//////////////////////////////////////////////////////////////////////////////// +// Battery + +#define ADC_CTRL (0 + 11) +#define PIN_BAT_CTL ADC_CTRL +#define ADC_CTRL_ENABLED HIGH +#define BATTERY_PIN (0 + 5) +#define PIN_VBAT_READ BATTERY_PIN +#define ADC_RESOLUTION (14) + +#define AREF_VOLTAGE (3.0) +#define VBAT_AR_INTERNAL AR_INTERNAL_3_0 +#define ADC_MULTIPLIER (4.916F) +#define MV_LSB (3000.0F / 4096.0F) + +#define PWRMGT_VOLTAGE_BOOTLOCK 3100 +#define PWRMGT_LPCOMP_AIN 3 +#define PWRMGT_LPCOMP_REFSEL 1 + +#define HAS_RTC 0